.book_new .sidebar-title {
  height: 40px;
  line-height: 40px;
  padding-left: 34px;
  font-size: 16px;
  color: #000;
  font-weight: bold;
  background: url(images/home/sprite.png) 5px 4px no-repeat;
  font-family: "Microsoft Yahei";
  position: relative;
  overflow: hidden;
}

.book_new .tab-box-aa .tab-header-aa ul{
  height: 25px;
  list-style-type: none;
}
.book_new .tab-box-aa .tab-header-aa ul li {
  float: left;
  width: 48px;
}
.book_new .tab_content_aa {
  border: 1px solid #eaeaea;
  border-top-width: 1px;
  border-top-style: solid;
  border-top-color: rgb(234, 234, 234);
  border-top: 0;
  padding-top: 3px;
}